(19)
(11) EP 1 532 734 A2

(12)

(88) Date of publication A3:
25.11.2004

(43) Date of publication:
25.05.2005 Bulletin 2005/21

(21) Application number: 03757361.5

(22) Date of filing: 05.06.2003
(51) International Patent Classification (IPC)7H03G 9/00, H03G 7/00, H03G 3/00, G10K 15/12, H04R 29/00, H04R 5/04
(86) International application number:
PCT/US2003/017788
(87) International publication number:
WO 2003/104924 (18.12.2003 Gazette 2003/51)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 05.06.2002 US 386541 P
20.05.2003 US 472180 P

(71) Applicant: Sonic Focus, Inc.
Menlo Park, CA 94025 (US)

(72) Inventors:
  • PADDOCK, Thomas
    Truckee, CA 96161 (US)
  • BARBER, James
    Selah, WA 98942 (US)

(74) Representative: Jackson, David Spence 
REDDIE & GROSE16, Theobalds Road
London, WC1X 8PL
London, WC1X 8PL (GB)

   


(54) ACOUSTICAL VIRTUAL REALITY ENGINE AND ADVANCED TECHNIQUES FOR ENHANCING DELIVERED SOUND